Tractor · 1967Unverified
David Brown 780
David Brown 780 · 46 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
46 hp
Weight
1573 kg
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Overview
ManufacturerDavid BrownReference
Built in Meltham Mills, Huddersfield, EnglandReference
Total built8,986Reference
Original price was $4,000 in 1971Reference
Two-wheel driveReference
Manual steeringReference
Mechanical drum brakesReference
Engine
David Brown 2.7L 3-cyl dieselReference
Fuel tank36.0 LReference
Engine (gross)34.3 kWReference
Drawbar (claimed)29.0 kWReference
David BrownReference
dieselReference
3-cylinderReference
liquid-cooledReference
Displacement2.7 LReference
Bore/Stroke100 x 114 mmReference
Power (gross)34.3 kWReference
Compression17:1Reference
Rated RPM2200Reference
Idle RPM700-2200Reference
Firing order1-2-3Reference
Oil capacity6.2 LReference
Coolant capacity9.5 LReference
Transmission
12-speedReference
6-speedReference
Transmissionsliding gearReference
Gears12 forward and 4 reverseReference
Clutchdry discReference
Oil capacity22.7 LReference
Gears6 forward and 2 reverseReference
PTO & Hydraulics
PTO (claimed)32.0 kWReference
Pressure137.9 barReference
Pump flow28.0 lpmReference
Oil typeSAE20W30SAE20W40Reference
Oil typeSAE20W30Reference
Oil typeSAE20W40Reference
Rear TypeIReference
Rear lift725 kgReference
Rear PTOliveReference
Rear PTO Type540/1000Reference
Engine RPM540@1828Reference
Engine RPM1000@2000Reference
Dimensions
Wheelbase192 cmReference
Weight1573 kgReference
Front tire6.00-16Reference
Rear tire12.4/11-28Reference
Ag front6.00-16Reference
Ag rear12.4/11-28Reference
Length283 cmReference
Width162 cmReference
Height209 cmReference
Ground clearance29 cmReference
780 Serial Numbers
Location:Front-right side of chassis, just behind the radiatorReference
1967600001Reference
1968600879Reference
1969602853Reference
1970606109Reference
1971609665Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.